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12.The scientist knew nothing about the matter,because he was always _________ himself in his study.(  )
A.buryingB.devotingC.focusingD.concentrating

分析 科学家不了解这个事情,因为他总是埋头在书房里面.

解答 答案是A.考查动词的辨析.A.burying 埋葬,bury oneself in…专心致志于; B.devoting奉献,致力于,devote oneslf to …,致力于,献身于;C.focusing专注,focus…on,集中于;D.concentrating专注,concentrate on 集中精力于.句意是:科学家不了解这个事情,因为他总是埋头在书房里面.故选A.

点评 解答此类问题首先需要理解每个单词的基本含义,并注意交叉含义间的区别,了解其特殊用法及习惯搭配等特点,然后结合语境选择正确答案.

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